UTOR SERIES
UTOR
Series
Large Can
Toroidal Design
Lowest Thermal
Resistance
Optimum Cooling
Capability
New Lower
Profile Sizes
New Heat-Sink
Mounting Kit
RoHS Compliant
(Pb-Free)
Engineering Bulletin Mar 07
The UTOR series now offers higher capacitance and ripple current per case size. The upgrade allows
the inverter designer to significantly reduce the size, weight, and cost of the capacitor bank. Its
patented toroidal geometry is ideal for cooling by either forced air or by heat-sink with the use
of a new mounting kit option. The heat-sink kit option provides optimum thermal transfer while
maintaining electrical isolation. These capacitors have an endurance rating of 5,000 hours at
105 C or 20,000 hours at 85 C with the rated ripple current applied. The UTOR series represents
the optimum cost per amp of ripple current for a screw terminal mounted electrolytic capacitor.
TOROIDAL 105 C
UTOR
Summary of Specifications
Screw terminals, high ripple Metric thread.
Capacitance range: 680 to 10,000µF.
Voltage range: 350 to 500VDC.
Operating temperature range: 40 C to 105 C.
Leakage current: 0.02CV(µA) or 5mA, whichever is smaller, after 5 minutes at 25 C.
Standard capacitance tolerance: 20%
Nominal case size (D L): D = 76mm (3.000”); L = 54mm (2.125”) to 168mm (6.625”).
Rated lifetime: 5,000 hours at 105 C with rated ripple current applied.
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
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UTOR Series
UTOR Specifications - Screw Terminals
Item
Category Temperature Range
Rated Voltage Range
Capacitance Range
Capacitance Tolerance
Leakage Current
I
40 to 105 C
350 to 500VDC
680 to 10,000 F at
20% ( M ) at
25 C, 120Hz
Characteristics
Engineering Bulletin Mar 07
25 C, 120Hz
25 C.
0.02CV ( A ) or 5mA, whichever is smaller, after 5 minutes at
Where I = Max. leakage current ( A ), C = Nominal capacitance ( F ) and V = Rated voltage ( V )
Rated Ripple Current Multipliers
Ambient Temperature ( C )
45 C
2.45
65 C
2.12
85 C
1.73
105 C
1.00
Cooling
Mounting
Type
Clamp Mount
Heat-Sink (air cooled)
Heat-Sink (fluid cooled)
Air Velocity
Static
1.00
1.20
1.35
1.0m /s
1.20
1.45
1.65
2.0m /s
1.30
1.55
1.75
Endurance
(Load Life)
The following specifications shall be satisfied when the capacitors are restored to 25 C after
subjecting them to DC voltage for 5,000 hours at 105 C with the rated ripple current applied.
The sum of the DC voltage and peak AC voltage must not exceed the full rated voltage of
the capacitors.
Capacitance change:
≤
20% of initial measured value
Tan ( DF )
:
≤
200% of initial specified value
Leakage current
:
≤
initial specified value
Shelf Test
The following specifications shall be satisfied when the capacitors are restored to 25 C after
exposing them for 1,000 hours at 105 C without voltage applied. The rated voltage shall be
applied to the capacitors for a minimum of 30 minutes, at least 24 hours and not more than
48 hours before the measurements.
Capacitance change:
≤
20% of initial measured value
Tan ( DF )
:
≤
200% of initial specified value
Leakage current
:
≤
initial specified value
Vibration Rating
Maximum Tightening Torque
10 -55Hz, 10g sinusoidal in three axis, 2 hours per axis.
Terminal
Code
CT
Thread
Size
M5x0.8
3 Threads Engaged
in
·
lb
18.0
N
·
m
2.0
6 Threads Engaged
in
·
lb
28.5
N
·
m
3.2
TOROIDAL 105 C
Typical Inductance
Custom Designs
25nH at 1MHz
Custom CV values per case size may be available upon request.
Contact appropriate representative with specific requirements.
UTOR
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United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
UTOR Series
Diagram of Dimensions - Screw Terminals
Toroidal Large Can / Screw Terminals
F
Engineering Bulletin Mar 07
Unit: mm and inches
M5
Thread
45
Toroidal
Core
Vent
A
S
T
J
B
Insulation
L
Crimped
Case
H
A
'
D
Insulating
End-Disk
Terminal Specifications in Millimeters
Terminal
Code
CT
Thread
Size
M5x0.8
Minimum
Thread
Depth
10.5
J
0.50
7.0
Ø
S
Ø
T
Terminal Specifications in Inches
Terminal
Code
CT
Thread
Size
M5x0.8
Minimum
Thread
Depth
0.413
J
0.020
0.276
Ø
S
0.010
Ø
T
0.010
0.25
13.0
0.25
18.5
TOROIDAL 105 C
0.512
0.728
UTOR
Case Dimensions in Millimeters
Ø
A
Ø
A
'
Case Dimensions in Inches
B
0.5
9.5
F
0.25
31.8
Ø
A
0.008
Ø
A
'
0.012
0.20
16.3
0.30
18.9
B
0.020
0.374
F
0.010
1.250
0.642
0.744
Case Size
Code
E54
E67
E79
E92
EA5
EB7
ED0
EE3
EF5
EG8
Ø
D
2.0
76
76
76
76
76
76
76
76
76
76
L
2.0
54
67
79
92
105
117
130
143
155
168
H
1.0
61
74
86
99
112
124
137
150
162
175
Case Size
Code
E54
E67
E79
E92
EA5
EB7
ED0
EE3
EF5
EG8
Ø
D
0.080
L
0.080
2.125
2.625
3.125
3.625
4.125
4.625
5.125
5.625
6.125
6.625
H
0.040
2.402
2.913
3.386
3.898
4.409
4.882
5.394
5.906
6.378
6.890
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
3.000
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
3/7
UTOR Series
Mounting Hardware - Screw Terminals
Type C: Three-Footed Clamp
360
3
Engineering Bulletin Mar 07
Unit: mm (inches)
30
45
D
5
15
A
T
J
G
K
5.1 0.5 (2 holes)
(0.201 0.020)
R
S
B
Clamp: Zinc with silver trivalent
chromate post treatment.
Hardware: Screw, washer and hexagon
nut included with each clamp.
Type C: Clamp Specifications
Mounting
Code
C
Case
Ø
D
76.2 (3.000)
A
1.0 (0.040)
44.5 (1.750)
B
1.0 (0.040)
49.2 (1.937)
G
1.0 (0.040)
13.3 (0.524)
J
0.5 (0.020)
4.5 (0.177)
K
0.5 (0.020)
7.1 (0.280)
R
1.0 (0.040)
19.1 (0.751)
S
1.0 (0.040)
9.5 (0.374)
T
0.5 (0.020)
1.0 (0.040)
TOROIDAL 105 C
UTOR
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United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
UTOR Series
Mounting Hardware - Screw Terminals
Type H: Heat Sink Mounting Kit
Engineering Bulletin Mar 07
Unit: mm (inches)
1
Socket Head
Tap Screw
“A”
“A”
M5 x 20
7
Lock
Washer
2
Retaining
Bushing
N
M
1
2
K
3
Insulation
UL94VW1
>5000V
1W/mk
Electrical
7
J
G
T1
T
F
M12 x 16
3
E
4
Aluminum Post
5
Lock
Washer
6
5
4
76.2
6
Hexagon
Jam Nut
M12
TOROIDAL 105 C
SECTION “A” – “A”
KIT ASSEMBLY
TOP VIEWS
UTOR
Type H: Heat Sink Mounting Kit Dimensions
Mounting
Code
H
H
H
H
H
H
H
H
H
H
Case Size
Code
E54
E67
E79
E92
EA5
EB7
ED0
EE3
EF5
EG8
T
0.2 (0.008)
35 (1.378)
35 (1.378)
60 (2.362)
60 (2.362)
60 (2.362)
60 (2.362)
111 (4.370)
111 (4.370)
111 (4.370)
111 (4.370)
T1
0.5 (0.020)
58 (2.280)
71 (2.780)
83 (3.280)
96 (3.780)
109 (4.280)
121 (4.780)
134 (5.280)
147 (5.780)
160 (6.280)
172 (6.780)
Dimension
E
F
G
J
Ø
K
Millimeters
18.6 Max.
0.56 0.05
2.00 0.13
8.00 0.13
15.24 0.20
6.76 0.13
5.49 0.13
Inches
0.732 Max.
0.022 0.002
0.080 0.005
0.315 0.005
0.600 0.008
0.266 0.005
0.216 0.005
M
N
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
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